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Heydal is a fully integrated suspended ceiling system from Britannia that is designed for ventilating large commercial kitchens.
The system incorporates fully demountable exhaust air, supply air and blank modules, complete with collection troughs and integral light fittings.
All visible components are manufactured from stainless steel and are supported from a primary and secondary grid system.
The void above the ceiling is divided into exhaust and supply air plenums by leak-tight metal vertical partitions. Grease filtration is achieved through a twin shell perforated extract module.
Grease emitted from the cooking equipment precipitates out of the airstream as it passes through the modules. The exhaust module shape ensures that the separated discharge cannot drip back onto cooking surfaces and is retained within the shells and the surrounding collection troughs.
Supply modules are perforated single skinned panels through which fresh air is introduced into the kitchen. Blank modules are not perforated; these are used to complete the ceiling after all supply, exhaust and lighting modules have been fitted. They also provide a means for locating items such as smoke detectors.
Collection troughs are channels located between the modules, which retain extracted grease between cleaning cycles.